They don't, but both having issues on rolling out a new machine, all part of the r&d and it can even happen to Boeing after going into service and after spending 100's of million $$ - mind you the consequences could differ a little

The batteries happen to be the issue which are Japanese also, but who is having fuel leaks, not HRC

Cutītle (k?tīt'l) 1.(Zool) A cephalopod of the genus Sepia, having an internal shell, large eyes, and ten arms furnished with denticulated suckers, by means of which it secures its prey. 2. A foul-mouthed fellow